Heavy Breather VS Ventilator
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#2
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Last edited by DK Custom; 10-06-2014 at 12:22 AM.
#3
although I agree with Kevin above, and to the OP's question the difference is simply not important unless you're building a BIG INCH motor. Either of these will flow much more air than your motor is capable of breathing in/out. Boils down to preference. Also what Kevin eluded to with the oil ingestion, if you don't go with Kevin's Outlaw A/C then do yourself a favor and get those oil passage returns venting out, not into your throttle body. Here's a recent pic of 2012 103" motor with 9k on the clock. Pretty amazing what get's caked up on those pistons with that little mileage on them and the oil passage returns going back into the throttle body all in the name of EPA.
2012 FLHX 103" 9k miles. Oil return vented into throttle body.
2012 FLHX 103" 9k miles. Oil return vented into throttle body.
#4
Join Date: Nov 2010
Location: Red Banks, Mississippi
Posts: 17,784
Received 4,228 Likes
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although I agree with Kevin above, and to the OP's question the difference is simply not important unless you're building a BIG INCH motor. Either of these will flow much more air than your motor is capable of breathing in/out. Boils down to preference. Also what Kevin eluded to with the oil ingestion, if you don't go with Kevin's Outlaw A/C then do yourself a favor and get those oil passage returns venting out, not into your throttle body. Here's a recent pic of 2012 103" motor with 9k on the clock. Pretty amazing what get's caked up on those pistons with that little mileage on them and the oil passage returns going back into the throttle body all in the name of EPA.
2012 FLHX 103" 9k miles. Oil return vented into throttle body.
2012 FLHX 103" 9k miles. Oil return vented into throttle body.
Agreed, almost all aftermarket A/C's will flow more air than the 103's can eat, but HOW the air flows does make a difference.
The Dyno above is of a stock 2012 103, but HOW the air flows makes a difference as you can see.
Below is another chart of a comparison between the HB and the 636v, both A/C's can flow Far More air than the engine can eat...but HOW it flows makes a big difference.
Last edited by DK Custom; 10-06-2014 at 10:45 PM.
#5
Great picture showing what happens to bikes out of the factory or running most aftermarket air cleaners!
Agreed, almost all aftermarket A/C's will flow more air than the 103's can eat, but HOW the air flows does make a difference.
The Dyno above is of a stock 2012 103, but HOW the air flows makes a difference as you can see.
Below is another chart of a comparison between the HB and the 636v, both A/C's can flow Far More air than the engine can eat...but HOW it flows makes a big difference.
Agreed, almost all aftermarket A/C's will flow more air than the 103's can eat, but HOW the air flows does make a difference.
The Dyno above is of a stock 2012 103, but HOW the air flows makes a difference as you can see.
Below is another chart of a comparison between the HB and the 636v, both A/C's can flow Far More air than the engine can eat...but HOW it flows makes a big difference.
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